Thermal Conductivity of Gypsum at High Temperatures – A Combined Experimental and Numerical Approach
DOI:
https://doi.org/10.14311/1081Keywords:
gypsum board, thermal conductivity, high temperatures, radiation in voids, porous material, passive fire protection, fire resistanceAbstract
Performance of gypsum board based systems in fire is highly influenced by the temperature-dependant thermal conductivity of gypsum boards, yet there is a wide difference in the thermal conductivity values used in literature. Presented here is a hybrid method to determine the effective thermal conductivity of gypsum boards at high temperatures, based on using small-scale experimental results and a thermal conductivity model which includes the effects of radiation in voids.Downloads
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